Serfas Thorn Proof Inner Tube (Schrader Valve) Underwear & Socks Save your cleats from wear

Save your cleats from wear and tear

Warm-up and cool-down methods

Schrader and Dunlop valves without switching internal parts

And you'll do both in this simple

Serfas Thorn Proof Inner Tube (Schrader Valve) Underwear & Socks Save your cleats from wearSerfas' most puncture resistant tube All Tubes Are Inflated For 24 Hours To Test For Leaks Presta Valves Now come With Removable Valve Cores Presta Valve Stems Are Threaded All The Way Down Presta & Schrader Valves Available High Quality Premium Construction Sizes: 20 x 1. 5 2. 2 Schrader 26 x 1. 75 2. 2 Schrader 27 x 1 1 4 Schrader 29 x 1. 9 2. 125 Schrader 700 x 25 32c Schrader 700 x 35 43c Schrader